The output $Y_1$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

The output $Y_2$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

The output $Y_3$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

The output $Y_4$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

The output $Y_5$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

The output $Y_6$ on the truth table in Fig. $3-4$ describes the three$-$

input

logic function.

Fig. $3-4$ Truth table.